National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

60°F

16°C

Humidity 60%
Wind Speed S 16 mph
Barometer 29.68 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Feb 1:15 am CST
Extended Forecast for

4 Miles NE Collinsville TX

  • Overnight

    Overnight: Mostly clear, with a low around 54. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. East southeast wind 5 to 10 mph becoming north northeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. North northeast wind 10 to 15 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North northeast wind 5 to 10 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. East northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. South southeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 57. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 54. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. East southeast wind 5 to 10 mph becoming north northeast after midnight.
Thursday
Sunny, with a high near 75. North northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 46. North northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 74. East northeast wind around 5 mph becoming south southeast in the afternoon.
Friday Night
Mostly clear, with a low around 52. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 57. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Collinsville TX
 33.59°N 96.84°W (Elev. 758 ft)
Last Update:
12:26 am CST Feb 25, 2026
Forecast Valid:
1am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation